Research Article

The Liquid Chromatographic Determination of Chlorogenic and Caffeic Acids in Xu Duan (Dipsacus asperoides) Raw Herb

Figure 2

A HPLC-PDA chromatogram for the extract of the Xu Duan raw herb (  nm, chlorogenic acid at 11.9 min, and caffeic acid at 14.3 min).
968314.fig.002